kernel: remove support for kernel 4.19

We use 5.4 on all targets by default, and 4.19 has never been released
in a stable version. There is no reason to keep it.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 68 deletions

diff --git a/target/linux/ath79/patches-4.19/410-spi-ath79-Implement-the-spi_mem-interface.patch b/target/linux/ath79/patches-4.19/410-spi-ath79-Implement-the-spi_mem-interface.patch
deleted file mode 100644
index 62ee69e6a4..0000000000
--- a/target/linux/ath79/patches-4.19/410-spi-ath79-Implement-the-spi_mem-interface.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-From 8d8cdb4a6ccee5b62cc0dc64651c3946364514dc Mon Sep 17 00:00:00 2001
-From: Luiz Angelo Daros de Luca <luizluca@gmail.com>
-Date: Mon, 10 Feb 2020 16:11:27 -0300
-Subject: [PATCH] spi: ath79: Implement the spi_mem interface
-
-Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
----
- drivers/spi/spi-ath79.c | 35 +++++++++++++++++++++++++++++++++++
- 1 file changed, 35 insertions(+)
-
---- a/drivers/spi/spi-ath79.c
-+++ b/drivers/spi/spi-ath79.c
-@@ -19,6 +19,7 @@
- #include <linux/platform_device.h>
- #include <linux/io.h>
- #include <linux/spi/spi.h>
-+#include <linux/spi/spi-mem.h>
- #include <linux/spi/spi_bitbang.h>
- #include <linux/bitops.h>
- #include <linux/gpio.h>
-@@ -203,6 +204,39 @@ static u32 ath79_spi_txrx_mode0(struct s
- 	return ath79_spi_rr(sp, AR71XX_SPI_REG_RDS);
- }
- 
-+static int ath79_exec_mem_op(struct spi_mem *mem,
-+                              const struct spi_mem_op *op)
-+{
-+	struct ath79_spi *sp = ath79_spidev_to_sp(mem->spi);
-+
-+	/* Ensures that reading is performed on device connected
-+	   to hardware cs0 */
-+	if (mem->spi->chip_select || gpio_is_valid(mem->spi->cs_gpio))
-+		return -ENOTSUPP;
-+
-+	/* Only use for fast-read op. */
-+	if (op->cmd.opcode != 0x0b || op->data.dir != SPI_MEM_DATA_IN ||
-+	    op->addr.nbytes != 3 || op->dummy.nbytes != 1)
-+		return -ENOTSUPP;
-+
-+	/* disable GPIO mode */
-+	ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
-+
-+	memcpy_fromio(op->data.buf.in, sp->base + op->addr.val, op->data.nbytes);
-+
-+	/* enable GPIO mode */
-+	ath79_spi_wr(sp, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);
-+
-+	/* restore IOC register */
-+	ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
-+
-+	return 0;
-+}
-+
-+static const struct spi_controller_mem_ops ath79_mem_ops = {
-+	.exec_op = ath79_exec_mem_op,
-+};
-+
- static int ath79_spi_probe(struct platform_device *pdev)
- {
- 	struct spi_master *master;
-@@ -237,6 +271,7 @@ static int ath79_spi_probe(struct platfo
- 		ret = PTR_ERR(sp->base);
- 		goto err_put_master;
- 	}
-+	master->mem_ops = &ath79_mem_ops;
- 
- 	sp->clk = devm_clk_get(&pdev->dev, "ahb");
- 	if (IS_ERR(sp->clk)) {